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  1. Tech

    Science Past from the issue of October 6, 1962

    By Science News
  2. Science & Society

    Letters

    By Science News
  3. Oceans

    Soundings

    The Story of the Remarkable Woman Who Mapped the Ocean Floor by Hali Felt.

    By Alexandra Witze
  4. Paleontology

    The Last Lost World

    Ice Ages, Human Origins, and the Invention of the Pleistocene, by Lydia V. Pyne and Stephen J. Pyne.

    By Sid Perkins

  5. 2012 International Astronomical Union General Assembly

    Science News’ coverage of the IAU meeting held August 20-21 in Beijing.

    By Science News
  6. Neuroscience

    Nonstick trick in the brain

    Getting drugs into the brain has proved to be a nanoscale puzzle: Anything bigger than 64 nanometers — about the size of a small virus — gets stuck in the space between brain cells once it gets through the blood-brain barrier.